u-boot/test/dm/mmc.c
Loic Poulain 94f40b9450 test: dm: mmc: Check block erasing boundaries
Verify that erasing blocks does not impact adjacent ones.
- Write four blocks [0 1 2 3]
- Erase two blocks [ 1 2 ]
- Verify [0 1 2 3 ]

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
2023-04-10 12:17:32 +09:00

55 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Google, Inc
*/
#include <common.h>
#include <dm.h>
#include <mmc.h>
#include <part.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
/*
* Basic test of the mmc uclass. We could expand this by implementing an MMC
* stack for sandbox, or at least implementing the basic operation.
*/
static int dm_test_mmc_base(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
return 0;
}
DM_TEST(dm_test_mmc_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_mmc_blk(struct unit_test_state *uts)
{
struct udevice *dev;
struct blk_desc *dev_desc;
int i;
char write[4 * 512], read[4 * 512];
ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
ut_assertok(blk_get_device_by_str("mmc", "0", &dev_desc));
/* Write a few blocks and verify that we get the same data back */
ut_asserteq(512, dev_desc->blksz);
for (i = 0; i < sizeof(write); i++)
write[i] = i;
ut_asserteq(4, blk_dwrite(dev_desc, 0, 4, write));
ut_asserteq(4, blk_dread(dev_desc, 0, 4, read));
ut_asserteq_mem(write, read, sizeof(write));
/* Now erase two of them [1 - 2] and verify all blocks */
memset(&write[512], '\0', 2 * 512);
ut_asserteq(2, blk_derase(dev_desc, 1, 2));
ut_asserteq(4, blk_dread(dev_desc, 0, 4, read));
ut_asserteq_mem(write, read, sizeof(write));
return 0;
}
DM_TEST(dm_test_mmc_blk, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);